T/CAMETA 001089-2025 Technical specification for molten salt valves

Scope

This document defines the terms and definitions of valves for molten salt (hereinafter referred to as "valves"), abbreviations, and stipulates the technical requirements, inspection rules, marking, protection, and packaging of valves. It describes the testing methods for valves, and is applicable to molten salt devices using ternary or binary molten salt media with a nominal pressure of PN16~PN160, a nominal size of DN15~DN500, a pressure rating of Class150~Class900, and a nominal size of NPS1/2~NPS20, including gate valves, shut-off valves, check valves, metal-sealed butterfly valves, and control valves. 1 Scope 2 Normative Reference Documents 3 Terms and Definitions 4 Classification and Structural Types 5 Quality Control 6.1 Basic Parameters 6.2 Valve Design 6.3 Valve Structure 6.4 Valve Body 6.5 Valve Cover 6.6 Seat Sealing Surface 6.7 Upper Sealing Seat 6.8 Valve Stem 6.9 Packing Structure 6.10 Gaskets 6.11 Connection between Valve Bodies or Valve Bodies and Valve Covers 6.12 Materials 7 Technical Requirements 7.1 Dimensional Inspection 7.2 Appearance Inspection 7.3 Non-Destructive Testing 7.4 Pressure Test 7.5 Chemical Composition 8 Test Methods 8.1 Dimensions 8.2 Appearance Inspection 8.3 Non-Destructive Testing 8.4 Pressure Test 8.5 Chemical Composition 9 Inspection Rules 9.1 Inspection Classification 9.2 Inspection Items 9.3 Factory Inspection 9.4 Type Test 10 Marking, Protection, and Packaging 10.1 Marking 10.2 Protection 10.3 Packaging 10.4 Transportation 10.5 Technical Documents Appendix A (Informative) Typical Structural Schematic Diagrams A.1 Bellows Gate Valve A.2 Elongated Neck Gate Valve A.3 Direct-acting Shut-off Valve A.4 Bellows Direct-acting Shut-off Valve A.5 Swing Check Valve A.6 Three-Eccentric Metal-sealed Butterfly Valve A.7 Linear-stroke Control Valve A.8 Side-mounted Integral Eccentric Hemisphere Valve (Angular-stroke Control Valve) A.9 Side-

Development Information

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